Shops that offer virtually all mobile carriers phones for sale probably doesn't exist because there are so many of them. The best bet is to visit the very biggest stores like for example Best Buy.
Best Buy stores offer cell phones from the following brands: Apple, HTC, Blackberry, Samsung, LG, and Motorola. Best Buy also offers some phones with mobile plans from carriers such as Verizon, Sprint, AT&T, and T-Mobile.
Yes they do offer prepaid phones and service. They are called T-Mobile To Go phones and can be purchased at most mass merchant stores or from T Mobile direct.
Some stores that offer help for someone to compare the price on mobile phones is Verizon, Sprint, or T-Mobile. One could also find reviews on the cell phones different prices.
The Samsung Galaxy S works on all four major US wireless carriers. The 4 main Carriers are AT&T, Verizon, Sprint, and T-Mobile.
Cellular One sells phones from all major carriers, both contract and prepaid. Here, consumers can find Verizon, T-Mobile, AT&T and even Virgin Mobile phones.
I personally am not familiar with the brand of Boost Mobile phone. I have researched the Boost Mobile company and have found that they do offer their phones through stores such as Best Buy.
Used mobile phones can be bought from online trading and bidding sites such as eBay or at T-Mobile stores. Many local classified newspapers and websites also offer used mobile phones for sale.
Most major cellular companies offers HTC phones. AT &T as well as Verizon offer this brand of phone. You can pick from different models of HTC phones they offer.
most major department stores offer prepaid phones. Target, Walmart, K mart, and even gas stations offer prepaid phones. Be sure to shop around before deciding, not all stores carry all models.
Discounts on QWERTY mobile phones are widely available. Network operator stores can offer great deals when a plan is taken out, but Amazon and Ebay also offer low prices.
You can find out about cheap mobile phones by checking out the retail stores of mobile phone providers such as Telus, Bell and Rogers. You can also check out retailer's such as Walmart and Target. They sometimes offer better prices on phones to get you to sign a contract through them.
There are several carriers that offer windows mobile phones. Motorola, Cellular One, Boost and T-Mobile, just to name a few.